Amazon.com: 2 PCS Digital Optical Audio Cable 6ft1.8M - [24K Gold-Plated, Ultra-Durable] Slim Optical Cable Digital Audio Cable for Home Theater, Sound Bar, TV, PS4, Xbox, Playstation & More : Video Games
PlayStation 4 External Speakers Connection That works for all PS4
CableCreation Optical Digital Audio Cable 10FT, Thin Fiber Optic Toslink Gold Plated Optical S/PDIF Cord for Home Theater, Sound Bar, TV, PS4, Xbox, VD/CD Player, Game Console& More, Black/OD:2.2mm - Walmart.com
Is there an adapter to make this “aux” port an optical in for PS4 Slim? : r/ playstation
Close-up look at the new PlayStation 4 'Slim' – GameAxis